We architect and build custom blockchains, sidechains, and L2 solutions tailored to your specific throughput, cost, and decentralization requirements. Our full-stack approach covers everything from consensus design to node infrastructure.
LABS
Services
Multi-Chain NFT Ownership Reconciliation
We build systems that track, verify, and reconcile NFT ownership and metadata across multiple minting and trading venues. Solve fragmented provenance and enable true cross-chain utility.
Chainscore © 2026
overview
FULL-STACK ENGINEERING
Custom Blockchain Development
End-to-end blockchain solutions built for performance, security, and scale.
- Core Protocol Design: Custom
EVM-compatible chains,Cosmos SDKapp-chains, andSubstrate-based parachains. - Smart Contract Layer: Secure, gas-optimized contracts for your core logic using
Solidity 0.8+andRust. - Node & RPC Infrastructure: Managed, high-availability node clusters with 99.9% uptime SLA and multi-region deployment.
- Developer Tooling: Custom block explorers, indexers, and SDKs to accelerate your team's development.
Deliver a production-ready, mainnet-deployed chain in 8-12 weeks, complete with documentation and devops automation.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Reconciliation Engine
Our engine provides the foundational data integrity layer for multi-chain NFT applications, delivering auditable, real-time ownership truth.
01
Real-Time Multi-Chain Synchronization
Continuously monitors and reconciles NFT ownership across Ethereum, Polygon, Solana, and other major L1/L2 networks. Eliminates stale data and ensures your application state is accurate within seconds of on-chain events.
< 5 sec
Data Latency
15+
Supported Chains
02
Deterministic Conflict Resolution
Automatically resolves cross-chain ownership conflicts (e.g., from bridging events or chain reorganizations) using a configurable, logic-based rules engine. Provides a single source of truth for complex multi-chain states.
100%
Deterministic
Zero Downtime
During Reorgs
03
Immutable Audit Trail & Proofs
Every reconciliation event is cryptographically signed and stored, creating a tamper-proof audit log. Generate verifiable proofs of ownership state at any point in time for compliance or dispute resolution.
Fully Immutable
Data Log
On-Demand
Proof Generation
04
Enterprise-Grade Data Delivery
Access reconciled ownership data via low-latency GraphQL APIs, real-time WebSocket streams, or direct database replication. Built for high-throughput applications like marketplaces and gaming platforms.
99.9%
Uptime SLA
< 50ms
P95 API Response
benefits
ACTIONABLE INSIGHTS
Business Outcomes: From Data to Utility
Our reconciliation service transforms fragmented on-chain data into a unified source of truth, enabling strategic decisions and new revenue streams.
01
Real-Time Portfolio Visibility
Get a single, accurate dashboard showing all NFT holdings across Ethereum, Polygon, and Solana. Eliminate manual data aggregation and make informed decisions with up-to-the-minute data.
< 1 sec
Data Latency
100%
Chain Coverage
02
Automated Royalty & Fee Compliance
Systematically track and reconcile creator royalties and platform fees across marketplaces. Ensure accurate, on-time payments to maintain trust and avoid contractual disputes.
99.9%
Accuracy SLA
Auto
Report Generation
03
Enhanced User Experience
Provide users with a seamless, unified view of their cross-chain collections. Enable features like aggregated rarity scores, valuation, and bulk management from a single interface.
70%
Reduced Support Tickets
2x
Engagement Increase
04
Data-Driven Product Development
Leverage clean, reconciled data to identify trends, user behavior, and market opportunities. Build new features like cross-chain lending, bundled sales, or loyalty programs with confidence.
4 weeks
Faster Feature Launch
Granular
User Analytics
05
Audit-Ready Financial Reporting
Generate immutable, verifiable reports for accounting, tax, and investor due diligence. Our reconciliation creates a definitive audit trail of all NFT-related transactions and holdings.
SOC 2
Compliant Data
Export
To CSV/API
06
Monetize Cross-Chain Liquidity
Unlock new revenue by enabling services that require proven ownership, such as cross-chain collateralization, fractionalization, or membership gating across ecosystems.
New
Revenue Streams
Real-time
Proof of Ownership
Make an Informed Choice
Build vs. Buy: The Reconciliation Infrastructure Decision
A detailed comparison of the costs, risks, and resource allocation required to build a multi-chain NFT ownership reconciliation system in-house versus partnering with Chainscore Labs.
| Factor | Build In-House | Chainscore |
|---|---|---|
Time to Initial MVP | 6-12 months | 4-8 weeks |
Core Engineering Cost (Year 1) | $300K - $600K+ | $50K - $150K |
Security & Audit Overhead | High (unaudited, custom risk) | Low (pre-audited, battle-tested) |
Multi-Chain Coverage | Manual integration per chain | Pre-built for 15+ EVM & non-EVM chains |
Real-Time Data Accuracy | Requires custom indexers & oracles | Guaranteed 99.9% data integrity SLA |
Ongoing Maintenance Burden | Full-time DevOps & SRE team | Fully managed service with 24/7 SRE |
Scalability to New Chains | Months of development per chain | Days via configuration, not development |
Expertise Required | Specialized team in blockchain data, indexing, and cryptography | Your team focuses on core product logic |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology: From Audit to Production
A systematic, security-first approach to deploying reliable multi-chain NFT ownership reconciliation. We deliver production-ready systems, not just prototypes.
01
Initial Architecture & Threat Modeling
We begin with a comprehensive analysis of your existing NFT infrastructure across chains (Ethereum, Polygon, Solana, etc.) to identify reconciliation logic, data sources, and potential attack vectors before a single line of code is written.
2-3 days
Design Sprint
100%
Requirement Lock
02
Smart Contract & Oracle Development
Development of custom, gas-optimized reconciliation logic and secure off-chain oracle services. Built with Solidity 0.8+ (EVM) or Rust (Solana), using OpenZeppelin libraries and industry-standard security patterns.
OpenZeppelin
Security Standard
< 2 weeks
Initial Build
03
Rigorous Security Audit & Testing
Every component undergoes internal review followed by automated and manual testing, including unit tests, integration tests across testnets, and scenario analysis for edge cases in cross-chain state synchronization.
100%
Line Coverage
5+ Chains
Testnet Validation
04
Staging Deployment & Load Testing
Deployment to a staging environment that mirrors production. We conduct load testing to validate reconciliation performance under high transaction volume and simulate mainnet fork scenarios.
10k TPS
Load Test Target
< 1 sec
Reconciliation Latency
05
Production Rollout & Monitoring
Managed deployment to mainnet with phased rollouts. We implement real-time monitoring dashboards, alerting for reconciliation failures, and health checks for all oracle services and smart contracts.
24/7
Monitoring
99.9%
Uptime SLA
06
Documentation & Knowledge Transfer
Delivery of comprehensive technical documentation, operational runbooks, and admin dashboards. We conduct training sessions for your engineering team to ensure full ownership and operational independence.
Full Source
Code Handoff
2 Sessions
Guaranteed Training
security-architecture
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Our development process ensures security-first design, gas optimization, and audit readiness from day one.
- Custom Tokenomics & DeFi Protocols:
ERC-20,ERC-721, AMMs, staking, and governance systems. - Enterprise-Grade Security: Built with
OpenZeppelinstandards, formal verification, and multi-signature deployment workflows. - Full Lifecycle Support: From initial architecture and development through to mainnet deployment and ongoing maintenance.
Reduce your time-to-market by weeks with battle-tested patterns and a streamlined delivery process.
We deliver production-ready code in 2-4 weeks for an MVP, backed by comprehensive documentation and a 99.9% uptime SLA for deployed contracts. Our focus is on creating secure, efficient systems that scale with your user base without compromising on safety or performance.
Multi-Chain NFT Reconciliation
Frequently Asked Questions
Get clear answers on how our service works, its security, and how it integrates with your existing infrastructure.
Multi-Chain NFT Ownership Reconciliation is the technical process of aggregating, verifying, and synchronizing NFT ownership data across multiple blockchains (e.g., Ethereum, Polygon, Solana) into a single, consistent source of truth. You need it to prevent double-spending, ensure accurate user balances, and maintain data integrity for marketplaces, games, or platforms where users hold assets on different chains. Without it, you risk displaying incorrect ownership, enabling fraudulent claims, and creating a poor user experience.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall